Solar Panel 5.5V 300mA Output USB Solar Battery Charger 1.65W

5V solar panels can be used for outdoor emergency charging, and high-power solar panels can be used instead of AC adapters. This product can be used in Bluetooth speakers, car fans, Bluetooth earplugs, power banks, rechargeable flashlights, etc. Only if the 5V charging port can be used, it can be replaced by a 5V solar panel.